I agree with you that if you don't use a specialist tool 24/7 you'll be slow, but that is expected vi optimizes for expert users not for novice users.
In the same way that if I don't use Photoshop and then just want to do something simple in it, it's going to take me a lot of time and am probably going to forget how to do it because I don't use it enough.
0 - https://stackoverflow.com/questions/1218390/what-is-your-mos...
Vim on Dvorak is insane, imho.
It's nice that jk are adjacent on Dvorak, and hl are conveniently placed as well.
The formula: number(Optional) action movement
Examples:
2 dl - delete two characters right
dw - delete a word
yb - copy back a word
y/foo - copy to the search foo
4cw - change the next four words
actions: yank(copy, delete, change)
movements: /(search), t(til character), f(to character), many many others (l, h, j, k, *, #, T, F)
Combine as you see fit.
In terms of transferring Vim 'motor memory' from a qwerty layout to a dvorak layout, IMO it meant focussing more on an added indirection of "which letters" rather than "which fingers where".